<template>
  <div>
    <div style="border: 1px solid #ccc; margin-top: 10px">
      <!-- 工具栏 -->
      <Toolbar
        style="border-bottom: 1px solid #ccc"
        :editor="editor"
        :defaultConfig="toolbarConfig"
      />
      <!-- 编辑器 -->
      <Editor
        style="height: 301px; overflow-y: hidden"
        :defaultConfig="editorConfig"
        v-model="html"
        @onCreated="onCreated"
        @onChange="onChange"
      />
    </div>
  </div>
</template>

<script>
import emitter from 'element-ui/src/mixins/emitter'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
export default {
  name: 'MyEditor',
  components: { Editor, Toolbar },
  mixins: [emitter],
  props: {
    placeholder: {
      type: String,
      default: '请输入内容',
    },
    value: {
      type: [String, Array, Object, Number],
    },
  },
  data() {
    return {
      editor: null,
      html: '',
      toolbarConfig: {
        // toolbarKeys: [ /* 显示哪些菜单，如何排序、分组 */ ],
        excludeKeys: ['fullScreen'],
      },
      editorConfig: {
        placeholder: this.placeholder,
        // autoFocus: false,

        // 所有的菜单配置，都要在 MENU_CONF 属性下
        MENU_CONF: {},
      },
    }
  },
  methods: {
    onCreated(editor) {
      this.editor = Object.seal(editor) // 【注意】一定要用 Object.seal() 否则会报错
    },
    getEditorText() {
      const editor = this.editor
      if (editor == null) return

      console.log(editor.getText()) // 执行 editor API
    },
    printEditorHtml() {
      const editor = this.editor
      if (editor == null) return
      console.log(editor.getHtml()) // 执行 editor API
    },
    onChange() {
      this.$emit('input', this.editor.getHtml())
    },
  },
  watch: {
    value: {
      handler(val) {
        this.html = val
      },
      immediate: true,
    },
  },
  beforeDestroy() {
    const editor = this.editor
    if (editor == null) return
    editor.destroy() // 组件销毁时，及时销毁 editor ，重要！！！
  },
}
</script>

<style src="@wangeditor/editor/dist/css/style.css"></style>
